Binary Output Circuits; Checking Optical Connections - ABB REQ650 1.3 IEC Commissioning Manual

1MRK 505 293-UEN B
4.10.2

Binary output circuits

Preferably, disconnect the binary output connector from the binary output cards. Check all
connected signals so that both load and polarity are in accordance with IED specifications.
4.11

Checking optical connections

Check that the Tx and Rx optical connections are correct.
Breaker protection REQ650
Commissioning manual
An IED equipped with optical connections requires a minimum depth of 180
mm for plastic fiber cables and 275 mm for glass fiber cables. Check the
allowed minimum bending radius from the optical cable manufacturer.
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Section 4
Starting up
M11722-8 v3
M16022-2 v6
33